package service;

import java.util.List;

import po.Comment;

/**
 * @author 曹桢瑞
 */
public interface CommentService {
	public List<Comment> getCommentInfoByUserId(String userId,int num);
	public List<Comment> getCommentInfoByBookId(String bookId,int num);
	public boolean addComment(Comment comment);
	public boolean removeComment(Comment comment);
	public boolean updateComment(Comment comment);
}
